SAIC-GM launched the Cadillac CT6 Plug-In on Friday in China with two price packages higher than what will come later to the U.S. The Cadillac CT6 plug-in hybrid joins the gasoline-engine CT6 in China with two plug-in variants priced at RMB 558,800 ($80,408) and RMB 658,800 ($94,683). RMB is another name for Chinese Yuan currency. […]